Patent US2029103A successfully refreshed from Google Patents.
US2029103A
Expired / Lapsed
US
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Photo-electric intaglio and relief engraving system
Assignee: Individual
•
Filing: 1932-03-15
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Granted: 1936-01-28
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Expires: 1952-03-15
Abstract
No abstract record available.
Inventors
- 👤 Howey Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:16
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/52; B; B41; B41C; B41C1/00; B41C1/02; B41C1/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T409/30112; Y10T409/50; Y10T409/500164; Y10T409/500328; Y10T409/500492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-01-27 | 1939-07-29 | 1940-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-27 | 1943-07-29 | 1944-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-27 | 1947-07-29 | 1948-01-28 | $7700.00 | Window Closed / Lapsed |